C313212111113331323312111133133313331333132233133313221131211211321   >>    C31321211111333132331211113313331333133313223313331322113121121132   <<    C313212111113331323312111133133313331333132233133313221131211211323   >>      C313212111113331323312111133133313331333132233133313221131211211322   >>