C312322331333132212111133133313331323133313221211111211111111331333132112312321   >>    C31232233133313221211113313331333132313331322121111121111111133133313211231232   <<    C312322331333132212111133133313331323133313221211111211111111331333132112312323   >>      C312322331333132212111133133313331323133313221211111211111111331333132112312322   >>