C312322331333132212111133133313331323133313331333133313331333133313222313233321   >>    C31232233133313221211113313331333132313331333133313331333133313331322231323332   <<    C312322331333132212111133133313331323133313331333133313331333133313222313233323   >>      C312322331333132212111133133313331323133313331333133313331333133313222313233322   >>