C312322331333132212111133133313331323133313331333133313331333133313231323221321   >>    C31232233133313221211113313331333132313331333133313331333133313331323132322132   <<    C312322331333132212111133133313331323133313331333133313331333133313231323221323   >>      C312322331333132212111133133313331323133313331333133313331333133313231323221322   >>