C312322331333132212111133133313331323132322331333133313221313221   >>    C31232233133313221211113313331333132313232233133313331322131322   <<    C312322331333132212111133133313331323132322331333133313221313223   >>      C312322331333132212111133133313331323132322331333133313221313222   >>